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‘Robot fish’ helping officials determine when, how to stock

Arizona Game and Fish Department equips rainbow trout with dime-sized radio transmitters and identification tags as part of a program to study how far stocked fish range and collect other data.... Read more»

Artificial floods in Grand Canyon could reduce non-native trout

Artificial floods over 14 years helped rebuild sandbars in the Grand Canyon but may have pushed non-native rainbow trout into an area frequented by the endangered humpback chub,... Read more»